Juan Carlos Osorio's men went into the match in the midst of a four-game winless streak following three draws and a loss but they returned to winning ways thanks to Duque's first goal since March 2.

Duque was the beneficiary of a short corner, reacting quickest inside the penalty area to guide the ball past helpless goalkeeper Sebastian Viera eight minutes into the second half, ending Junior's five-game winning streak.

Millonarios are hot on the heels of Nacional after they defeated struggling Deportivo Cali 1-0 at the Estadio Nemesio Camacho.

Fabian Vargas' 32nd-minute effort was all that separated the two teams at full time, though the visitors enjoyed a bright start to proceedings without taking full advantage of their opportunities.

Patriotas Boyaca overturned a two-goal deficit to earn a 2-2 draw against Envigado and La Equidad salvaged a point at home to 10-man Fortaleza after Jose Moreno cancelled out Jair Palacios' first-half strike.

Once Caldas and Santa Fe played out a 1-1 stalemate, while Deportes Tolima and Medellin shared the spoils.